Physiology MCQ Questions — Page 88

Question 1

Transcription refers to

Answer

the process where an mRNA is used as a template for protein production.

Answer

the process where a DNA sequence is copied into RNA for the purpose of gene expression.

Answer

the process where DNA wraps around histones to form a nucleosome.

Answer

the process of replication of DNA prior to cell division.

Question 2

Answer

Mixed nerves

Answer

Unmyelinated nerve

Answer

Myelinated nerve

Answer

Sensory nerves

Question 3

AAcid

BBitter

CSalty

DSour

Question 4

Answer

Increased conduction velocity

Answer

Increased heart rate

Answer

Increased refractory period

Answer

Increaed contractility of heart

Question 5

A350-375

B200-250

C270-285

D300-320

Question 6

A2.5 atm

B5.2 atm

C22.4 atm

D15.2 atm

Question 7

BCD8 cells

Answer

CD4 lymphocytes

Answer

Macrophages

Answer

Neutrophils

Question 8

CAcidic H+

Answer

Decrease O2 tension

Answer

Decrease K+ concentration

Answer

Increased CO2 concentration

Question 9

Answer

Increases thirst.

Answer

Increases ADH secretion.

Answer

Increases aldosterone.

Answer

Increase anger.