Re-exam augusti 2010

Question 1

A baroreceptor senses changes in

Answer 1

b) Pressure

Question 2

Which group of organic compounds do triglycerides belong to?

Answer 2

c) Lipids

Question 3

The condition in which the body’s internal environment stays within physiological limits is known as?

Answer 3

b) homeostasis

Question 4

The pH of the blood is:

Answer 4

d) 7.35 - 7.45

Question 5

Which organelle is involved in protein synthesis?

Answer 5

b) ribosomes (?)

Question 6

The flap of elastic cartilage covered by epithelium that closes off the larynx and prevents food and
water from entering the larynx during swallowing is the

Answer 6

a) epiglottis

Question 7

All of the following statements about enzymes are true EXCEPT:

Answer 7

e) They are used up in a chemical reaction.

Question 8

Endocytosis is an example of what?

Answer 8

c) An active process (?)

Question 9

A red blood cell placed in a hypotonic solution:

Answer 9

b) Gains water
(hypertonic - loses water)
(isotonic - stays the same)

Question 10

Which of the following are considered the “powerhouses” of the cell?

Answer 10

d) Mitochondria

Question 11

The hormones regulating blood calcium levels?

Answer 11

d) PTH (increases) and calcitonin (decreases)

Question 12

T/F: Cardiac output is independet of heart rate.

Answer 12

False

Question 13

T/F: Angina pectoris is caused by an imbalance between demand and access of oxygen in the myocardium.

Answer 13

True (?)

Question 14

T/F: Pancreatitis can be caused by gall stone

Answer 14

True, gallstones are the single most common reason for acute pancreatitis. Alcohol is also a common cause for pancreatitis. Enjoy the facts from wikipedia!

Question 15

T/F: Lateral refers to a position away from the midline in the body

Answer 15

True, lateral means away from the midline.
Medial means to the midline.
Anterior means the back side.
Posterior means the back side of the body

Question 16

The amount of air inhaled or exhaled with each breath during normal quiet breathing is called (a), and the value of it is about (b) ml. The amount of air that reaches the alveoli is 150ml less. The reason for this is that this amount remains in an area called (c).

Answer 16

a) Tidal volume
b) ~ 500ml
Not finished