immune system exam 3

Question 1

The tidal volume is the

Answer 1

of air moved in and our of the lungs in a single quiet breath

Question 2

Hemoglobin will bind more oxygen at a given partial pressure of oxygen if

Answer 2

pH levels increased??

or BPG concentration increase??

Question 3

High partial pressure of carbon dioxide favors the formation of

Answer 3

carbaminohemoglobin

Question 4

carbonic acid is produced when carbonic anhydrase reacts with

Answer 4

carbon dioxide combines with water

Question 5

The Medullary Respiratory group(apneustic) and pontine respiratory group (pneumotaxic) areas are located in the

Answer 5

medulla oblongata and pons

Question 6

An enzyme that facilitates the reaction between carbon dioxide and water is

Answer 6

carbon anhydrase

Question 7

intrinsic factor secreted by parietal cells of the stomach is required for

Answer 7

Intestinal absorption of vitamin B12 or Activation of Pepsin ????

Question 8

Bicarbonate ions diffuse into blood capillaries of the stomach after a meal because

Answer 8

they are exchaged for Cl ions that enter the lumen

Question 9

which of the following has the lowest pH ?

Answer 9

gastric juice

Question 10

A hormone produced by cells of the pyloric portion of the stomach is

Answer 10

gastrin

Question 11

increased activity of the sympathetic nervouse system will

Answer 11

decrease production of digestive system

Question 12

The acini of the pancreas make which of the following?

Answer 12

????

Question 13

T or F

mlL-1 is produced by macrophages(antigen presenting cell) helps activation of CD-4 T-helper cells

Answer 13

T