Unit Q ATIPRACTICe Flashcards
1
Q
Which of the following cell structures contain cristae? A) DNA B) smooth endoplasmic reticulum C) mitochondria D) peroxisomes
A
C
2
Q
Which of the following terms is used to describe the amount of air in a normal inhalation or exhalation? A) perfusion B) tidal volume C) ventilation D) residual volume
A
B
3
Q
Which of the following vessels carries deoxygenated blood from the heart to the lungs? A) pulmonary vein B) pulmonary artery C) aorta D) vena cava
A
B
4
Q
Which of the following terms refers to the partially digested food leaving the stomach? A) chyme B) pepsin C) bolus D) lactase
A
A
5
Q
In which of the following actions is the autonomous nervous system engaged? A) lifting weights B) holding your breath C) walking D) digestion
A
D
6
Q
Which is classified as a carbohydrate? A) DNA B) Enophorin C) Glycogen D) Amylase
A
C
7
Q
Which of the following best describes the relationship between a chromosome and a gene?
A) each gene forms its own chromosome
B) each chromosome contains a single gene
C) each gene contains a specific number of chromosomes
D) each chromosomes contain a specific number of genes.
A
D
8
Q
Which of the following best describes the function of the plasma membrane?
A) it provides energy to the cell
B) it helps to build proteins
C) it maintains the cell’s internal environment
D) it produces adenosine triphosphate (ATP)
A
C
9
Q
During inhalation, where would you expect to find a higher concentration of oxygen? A) in the capillaries B) in the alveolar air space C) in the pulmonary artery D) in the heart
A
B
10
Q
In which structure connect the throat to the lungs? A) alveoli B) trachea C) bronchi D) surfactant
A
B
11
Q
Where does the air flow next after being oxygenated in the lungs? A) pulmonary artery B) pulmonary vein C) inferior vena cava D) aorta
A
B
12
Q
Which type of cell helps prevent against disease? A) hemoglobin B) stem C) erythrocyte D) Leukocyte
A
D
13
Q
What is the name of the structure that releases the enzyme that breaks down starch in the mouth? A) salivary gland B) pancreas C) liver D) gallbladder
A
A
14
Q
Molecules are broken down into smaller pieces by the churning of muscles in the stomach. Which of the following is this an example of? A) mechanical digestion B) chemical digestion C) enzymatic digestion D) peristalsis
A
A
15
Q
Which type of tissue would you find in the heart? A) skeletal muscle B) striated muscle C) smooth muscle D) cardiac muscle
A
D
