Understanding the Jobs of PN: Key Roles and Responsibilities
The jobs of PN (Practical Nurses) are diverse and vital in the healthcare industry. These professionals play a crucial role in providing direct patient care under the supervision of registered nurses and doctors. The jobs of PN often include tasks such as monitoring vital signs, administering medications, assisting with daily activities, and educating patients about health management.
In addition to traditional healthcare settings like hospitals and nursing homes, the jobs of PN are expanding into community health centers, home care services, and even telehealth, where they contribute to patient care remotely. With the increasing demand for healthcare services, the jobs of PN are more important than ever, offering a fulfilling career with a wide range of opportunities for growth and advancement.
Top Jobs of PN in Healthcare and Medicine
Q. Compressed natural gas (CNG) contains mainly methane CH4. Methane gas burns in air according to the following reaction.
CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
If 8 g of methane is burnt, what volume of CO2 measured at S.T.P. will be produced?
- a. 0.5 L
- b. 22 L
- c. 22.4 L
- d. 11.2 L
Answer: (d)
Q. A kid has a helium-filled balloon which deflates at the rate of 1.00 liter/day by He gas leaking through the relatively porous skin of the balloon. How fast would carbon dioxide (CO2) leak from a balloon made of the same material?
- a. 3.0 L/day
- b. 0.3 L/day
- c. 1.33 L/day
- d. 3.33 L/day
Answer: (b)
Q. All of the following statements are false except:
- a. gas molecules do not attract each other at very low temperature
- b. all of the gases cannot be liquefied
- c. increase in pressure will not decrease the intermolecular distance in a gas
- d. actual volume of a gas is not negligible at very high pressure
Answer: (d)
Q. At the same temperature and pressure, helium is more ideal than hydrogen due to:
- a. greater molar mass
- b. less molar mass
- c. greater molecular size
- d. less molecular size
Answer: (d)
Q. A container with a porous wall has a mixture of H2, He, N2, and O2. Which of these gases will take the maximum time in getting out of the container?
- a. H2
- b. He
- c. N2
- d. O2
Answer: (d)
Q. The value of nT/PV for an unknown gas is equal to:
- a. 0.082 L.atm.mol⁻¹.K
- b. 0.082 L.atm.mol⁻¹.K⁻¹
- c. 0.82 L.atm.mol.K⁻¹
- d. 0.82 L.atm.mol.K
Answer: (b)
Q. If the temperature of the atmosphere is 30°C, then which of the following will have the highest average speed?
- a. O2
- b. H2
- c. Ne
- d. N2
Answer: (b)
Q. I heard an Islamian genius saying that glass must be a supercooled liquid. The reason that he might have in his mind is that glass has:
- a. definite volume
- b. definite shape
- c. crystalline structure
- d. no crystalline structure
Answer: (d)
Q. Some substances are good conductors of electricity in both the solid and liquid states. These substances are generally:
- a. ionic substances
- b. metallic substances
- c. molecular solids
- d. covalent network solids
Answer: (b)
Q. Air can be distilled fractionally because the constituents of the air:
- a. can be liquefied
- b. have different boiling points
- c. are gases at room temperature
- d. have different densities
Answer: (b)
The Evolving Jobs of PN in the Digital Age
Q. There are three different substances, Argon, Hydrochloric acid, and Hydroiodic acid. The correct sequence in which the boiling point increases is:
- a. Ar < HCl < HI
- b. HI > HCl > Ar
- c. HCl < HI < Ar
- d. HI > Ar > HCl
Answer: (a)
Q. A student put two eggs A and B in HCl solution. After 5 minutes he took them out for weighing, but egg B dropped in water accidentally. The student was able to take it out after 30 minutes. He weighed it, and its weight was 40.33 grams. The weight of egg “A” was also 40.33 grams. An Islamian genius told him that if both eggs had been dropped in water, the weight of egg “B” would have been:
- a. greater than that of egg “A”
- b. less than that of egg “A”
- c. equal to that of egg “A”
- d. unaffected instead
Answer: (c)
Q. Keeping in mind different factors which affect the melting point of a substance, the compound having the highest melting point among the following is:
- a. NaCl
- b. RbCl
- c. LiCl
- d. CsCl
Answer: (a)
Q. Islamian genius told his followers that in a crystal the atoms are located at the position of:
- a. zero potential energy
- b. infinite potential energy
- c. maximum potential energy
- d. minimum potential energy
Answer: (a)
Q. Keeping in mind the concept of charge density, the compound having the highest lattice energy is:
- a. KCl
- b. MgO
- c. LiBr
- d. NaF
Answer: (b)
Q. Meniscus is the shape of the surface of a liquid in a cylindrical container. It may be concave, convex, or plane. For molten metals:
- a. meniscus is concave
- b. meniscus is convex
- c. meniscus is plane
- d. meniscus may be concave or convex depending on the nature of the metal
Answer: (b)
Q. All of the following substances are crystalline except:
- a. Ice
- b. Carbon (diamond)
- c. Sucrose
- d. Plastic
Answer: (d)
Q. All of the following have cleavage planes except:
- a. ionic crystals
- b. covalent crystals
- c. molecular crystals
- d. metallic crystals
Answer: (d)
Q. Coordination number of Na+ in NaCl is:
- a. 1
- b. 4
- c. 2
- d. 6
Answer: (d)
Q. For a crystal system a, b, c, and the example for this crystal system is:
- a. CuSO4.5H2O
- b. Na2B4O7.10H2O
- c. ZnSO4.7H2O
- d. BaSO4.4H2O
Answer: (a)
You may like more MCQs related to Jobs of PN below
Skills Required for the Jobs of PN: A Comprehensive Guide
Q. A student said, “I will preserve my father’s dead body in a time capsule for 1000 years.” An Islamian genius told him that the atmosphere of the capsule must contain:
- a. O2
- b. SO2
- c. CO2
- d. Ar
Answer: (d)
Q. All of the following have crystals except:
- a. diamond
- b. NaCl
- c. KBr
- d. CdS
Answer: (d)
Q. Kerosene is liquid at room temperature due to:
- a. hydrogen bonding
- b. organic nature
- c. dipole-dipole forces
- d. molecular size
Answer: (d)
Q. All of the following are network solids except:
- a. SiO2
- b. Graphite
- c. S8
- d. Diamond
Answer: (c)
Q. Honey contains glucose and fructose along with some other ingredients. It has greater viscosity due to:
- a. hydrogen bonding
- b. irregular shape of the molecules
- c. irregular shape of the molecules and strong intermolecular forces
- d. greater molecular size
Answer: (c)
Q. The boiling point of phosphine (PH3) is -87.8°C, while that of silane (SiH4) is -111°C. Phosphine has a greater boiling point because:
- a. dipole moment of PH3 is greater than that of SiH4
- b. PH3 has greater molecular size
- c. Molecular weight of SiH4 is less than that of PH3
- d. Actually, the boiling of SiH4 is greater than that of PH3
Answer: (a)
Q. The rate of evaporation of petrol is greater than that of water at room temperature because:
- a. petrol molecules do not have any hydrogen bond
- b. petrol is an organic compound
- c. water molecules have small size
- d. petrol molecules have greater size
Answer: (a)
Q. The substance with the highest boiling point among the following is:
- a. HF
- b. HCl
- c. Br2
- d. HBr
Answer: (c)
Q. Boiling points of different substances are given below:
CH4 = -161°C
C2H6 = -89°C
Cl2 = -34.6°C
F2 = -188°C
The data shows that the vapour pressure of the substances is:**
- a. Cl2 > C2H6 > CH4 > F2
- b. Cl2 > F2 > CH4 > C2H6
- c. C2H6 > CH4 > F2 > Cl2
- d. F2 > CH4 > C2H6 > Cl2
Answer: (d)
Q. Which of the following statements is correct for the statement “Vapour pressure of water at 0°C is 5 mmHg”?
- a. boiling point of water will be 0°C at 5 mmHg
- b. boiling point of water will be 0°C
- c. if external pressure is 5 mmHg, then water will boil at 0°C
- d. boiling point of water is 100°C at 760 mmHg pressure
Answer: (c)
Exploring Career Opportunities: Jobs of PN in Various Industries
Q. What is the typical range of the hydrogen bond?
- a. 5 – 25 kJ per mole of bonds
- b. 5 – 25 kJ per molecule
- c. 500 kJ per mole of bonds
- d. 1 – 2 kJ per mole of bonds
Answer: (a)
Q. Hydrogen bond is unimportant in:
- a. DNA structure
- b. The liquid properties of water
- c. Liquid HF
- d. Liquid CH4
Answer: (d)
Q. All of the following acids have hydrogen bonds in the liquid state except:
- a. sulfuric acid
- b. nitric acid
- c. hydrofluoric acid
- d. hydrochloric acid
Answer: (d)
Q. Which of the following statements is incorrect?
- a. Dispersion force is the weakest type of intermolecular interactions
- b. The strong intermolecular attractions in H2O result from hydrogen bonding
- c. Boiling point of H2S is less than H2O
- d. Boiling point of non-polar substances tends to decrease with increasing molecular weight
Answer: (d)
Q. A white substance melts with some decomposition at 730°C. As a solid, it is a non-conductor of electricity, but it dissolves in water to form a conducting solution. The white substance is:
- a. a covalent network solid
- b. an ionic solid
- c. a molecular solid
- d. a metallic solid
Answer: (b)
Q. Keeping in mind different factors which affect the boiling point of a substance, the element having the highest boiling point among the following is:
- a. He
- b. F2
- c. Ne
- d. Br2
Answer: (d)
Q. The increasing vapor pressure caused by heating a liquid is due to:
- a. increase in intermolecular interactions
- b. increasing potential energy of molecules
- c. increasing kinetic energy of molecules
- d. decreasing surface tension
Answer: (c)
Q. Covalent network crystals have:
- a. higher melting point than molecular crystals
- b. lower melting point than molecular crystals
- c. discrete molecules linked by Van der Waals forces
- d. hydrogen bonding
Answer: (a)
Q. Keeping in mind different factors which affect the boiling point of a liquid, the element having the lowest boiling point among the following is:
- a. F2
- b. Cl2
- c. Br2
- d. I2
Answer: (a)
Q. A chemist was able to measure the value of lattice energy of KCl to be 690 kJ/mol. From this experiment, he concluded that:
- a. lattice energy of KBr is 630 kJ/mol and that of KI is 665 kJ/mol
- b. lattice energy of KBr is 665 kJ/mol and that of KI is 630 kJ/mol
- c. lattice energy of KBr is 765 kJ/mol and that of KI is 730 kJ/mol
- d. lattice energy of KBr is 730 kJ/mol and that of KI is 765 kJ/mol
Answer: (b)
How to Pursue Jobs of PN: Education, Training, and Career Paths
Q. Color of the glow produced in the discharge tube:
- a. depends on the pressure in the discharge tube
- b. depends on the metal used as cathode
- c. depends on the gas used in the discharge tube
- d. does not depend on the nature of the gas used in the discharge tube
Answer: (c)
Q. Dr. Khan told his students that if the charge on electrons in a chamber is 3.50 x 10^11 coulomb, then the mass of electrons must be:
- a. 9.1 x 10^-31 kg
- b. 8 kg
- c. 4 kg
- d. 2 kg
Answer: (d)
Q. e/m ratio of the canal rays is less than that of cathode rays. The reason is:
- a. greater mass of canal ray particles
- b. greater charge of the canal ray particles
- c. greater mass and charge of the canal ray particles
- d. actually e/m ratio of canal rays is greater than that of the cathode rays
Answer: (a)
Q. Nuclear radiation is emitted by those elements whose:
- a. molecules are stable
- b. molecules are unstable
- c. nuclei are stable
- d. nuclei are unstable
Answer: (d)
Q. α-rays are good ionizers of gases because they:
- a. have greater mass
- b. have positive charge
- c. have greater mass and positive charge
- d. are helium nuclei
Answer: (c)
Q. Consider the following reaction:
Be + He → C + n
This reaction is:
- a. a chemical reaction
- b. a nuclear reaction
- c. an example of artificial radioactivity
- d. an exothermic reaction
Answer: (c)
Q. Roentgen discovered X-rays and Mosley found that the frequency of the X-rays emitted from the anode increases with the:
- a. increase in the mass number of the metal used as anode
- b. decrease in the mass number of the metal used as anode
- c. decrease in the proton number of the metal used as anode
- d. increase in the proton number of the metal used as anode
Answer: (d)
Q. Radiation emitted by excited atoms is:
- a. in the form of continuous waves
- b. in the form of quanta
- c. nuclear radiations
- d. ultraviolet radiation
Answer: (b)
Q. If the electron of a hydrogen atom jumps to the “M” shell, then the radius of this excited hydrogen atom will be:
- a. 8.464 Å
- b. 4.761 Å
- c. 2.116 Å
- d. 0.529 Å
Answer: (b)
Q. If a particle of mass 0.1 gram moves with a velocity of 10,000 m/s, then the wavelength of the wave associated with this particle is:
- a. 6.626 x 10^-34 m
- b. 2.145 x 10^-39 m
- c. 3.313 x 10^-21 m
- d. 1.325 x 10^-18 m
Answer: (a)
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