Question

stion 1

Assuming that the partial pressure of nitrogen is 0.79 at sea level, what it is the partial pressure of nitrogen at 30m, where the atmospheric pressure is 3atm?

		0.79
		1.59
		2.37
		3.16

n 2

Which diseases are associated with the use of tobacco products? Check all that apply.

		lung cancer
		cardiovascular disease
		emphysema
		esophageal cancer
		stomach cancer

on 4

When the muscles around the bronchioles contract, this restricts air flow to the lungs. What health condition is commonly caused by this muscular constriction?

		Asthma
		SIDS
		Apnea
		Bronchitis

n 5

An infection of the lungs that leads to inflammation of the lungs and fluid accumulation in the lungs is

		Asthma
		SIDS
		Apnea
		Pneumonia

6

Why should you never hold your breath while coming up from deep water while SCUBA diving?

		The pressure will be reduced and your lungs will overinflate
		The pressure will be increase and your lungs will deflate
		You will use up too much air in your tank
		You will damage your trachea by breathing are at this pressure

7

Which disease that affects respiratory function is caused by an infectious organism?

		lung cancer
		emphysema
		asthma
		pneumonia

n 8

Where in the lung does oxygen diffuse into the blood?

		Bronchioles
		Alveoli
		Trachea
		Pharynx
		Bronchi

10

As I travel from sea level to the top of Mt. Everest, what happens to the amount of oxygen?

		The partial pressure of oxygen decreases
		The percentage of oxygen in the atmosphere decreases
		The percentage of oxygen in the atmosphere increases
		The partial pressure of oxygen increases

12

When the oxygen dissociation curve for hemoglobin shifts to the right, this means that at the same partial pressure

		More oxygen is attached to the hemoglobin
		Less oxygen is attached to the hemoglobin
		The same amount of oxygen is attached to the hemoglobin
		More CO2 is released from the hemoglobin

Question 13

Which of these is not accurate aboutpressure and the relationship between sea level and atmospheric pressure?

		The effect can be measured in mmHg
		The effect can be measured in inches of Hg
		As elevation increases, atmospheric pressure increases proportionally
		Fewer gas molecules are available at as elevation increases

Question 15

How can you prevent getting the bends?

		Breathe deeply while SCUBA diving to avoid hyperventilation
		Ascend slowly from SCUBA diving to allow gases to come out of solution slowly
		Breathe only oxygen while SCUBA diving
		All of the above

Answer 1

Hi Answer:

Q.1.

Answer: option D [3.16]

as at every 10 meter depth the partial pressure of gas doubles.

Q.2. Which diseases are associated with the use of tobacco products? Check all that apply.

Answer: Option A, B and D [lung cancer, Cardiovascular disease and esophageal cancer]

The directly associated disease with Tabaco use is lung cancer but in addition to this smoking also increases the risk of cardiovascular disease and esophageal cancer.

Q.4. When the muscles around the bronchioles contract, this restricts air flow to the lungs. What health condition is commonly caused by this muscular constriction?

Answer: Option D [Bronchitis]

Bronchitis is caused by the smooth muscle constriction which tightens the muscles which surround the bronchi.

Q.5. An infection of the lungs that leads to inflammation of the lungs and fluid accumulation in the lungs is.

Answer: Option D [Pneumonia]

Pneumonia is the infection either caused by the bacteria, virus or fungus which infects the lungs and filled the lung air sacs with fluid.

Q.6. Why should you never hold your breath while coming up from deep water while SCUBA diving?

Answer: Option A [The pressure will be reduced and your lungs will overinflate]

As we hold the breath while coming up from deep water while SCUBA diving at that time the pressure reduced and the lungs will expands which can cause lung overexpansion injuries.

Q.7. Which disease that affects respiratory function is caused by an infectious organism?

Answer: Option D [Pneumonia]

Pneumonia is caused by the infectious organism i.e. diplococcus pneumoniae which affects the respiratory function of lungs.

Q.8. Where in the lung does oxygen diffuse into the blood?

Answer: Option B [Alveoli]

Gas exchange took place at Alveoli. During inhalation, oxygen is diffused into the blood from Alveoli and used for respiration by various body cells.

Q.10.As I travel from sea level to the top of Mt. Everest, what happens to the amount of oxygen?

Answer: Option A [The partial pressure of oxygen decreases]

At higher altitudes, there is a fall in atmospheric pressure which decreases the partial pressure of the inspired oxygen.

Q.12. When the oxygen dissociation curve for hemoglobin shifts to the right, this means that at the same partial pressure

Answer: Option B[Less oxygen is attached to the hemoglobin]

At the rightward shift of the oxygen dissociation curve indicates that the hemoglobin under study has low affinity for the oxygen.

Q.13. Which of these is not accurate about pressure and the relationship between sea level and atmospheric pressure?

Answer: Option C [As elevation increases, atmospheric pressure increases proportionally]

As the elevation increases the atmospheric pressure decreases.

Q.15. How can you prevent getting the bends?

Answer: Option D [all the above]