Answer Choices:
a. metabolic acidosis.
b. metabolic alkalosis.
c. respiratory acidosis.
d. respiratory alkalosis.
Answer:
a
Question: _______ epidemiological studies are ones in which data are gathered from study participants through measurements.
Answer Choices:
A. Experimental
B. Observational
C. Descriptive
D. Analytical
Answer:
B
Question: Which of the following statements about hormone transport and distribution is not true?
Answer Choices:
A. free hormone concentration is not influenced by plasma protein concentration
B. hormones can be transported bound to plasma protein
C. hormones that are lipids often have a carrier protein or are free in the plasma
D. hydrophilic hormones can diffuse through capillary walls and bind to target tissues
E. none of the statements are true
Answer:
A. free hormone concentration is not influenced by plasma protein concentration
Question: Why must sperm cells and oocytes undergo meiosis during development?
Answer Choices:
a. to allow for crossing-over events
b. to exchange genetic material between paternal and maternal chromosomes
c. to reduce their chromosome number to haploid
d. to create sexual variety
Answer:
c
Question: What layer of the gallbladder allows it to expand?
Answer Choices:
a) Inner mucosa
b) Muscularis
c) Outer serosa
d) Fibrosis
Answer:
a) Inner mucosa
Question: Which of the following changes would not shift the demand curve for a good or service?
Answer Choices:
a) A change in income
b) A change in the price of the good or service
c) A change in expectations about future price of the good or service
d) A change in the price of a related good or service
Answer:
b) A change in the price of the good or service
Question: Which three organs make up the lower respiratory tract?
Answer Choices:
a. pharynx, larynx, and trachea
b. nose, nasal cavity, and pharynx
c. pharynx, trachea, and bronchi
d. trachea, bronchi, and lungs
Answer:
d
Question: Which hormone is produced in the corpus luteum?
Answer Choices:
a. estrogen
b. follicle-stimulating hormone
c. progesterone
d. testosterone
Answer:
c
Question: Which of the following can be the cause of gastritis, gastric cancer, and peptic ulcers?
Answer Choices:
a) None of these choices is correct.
b) Increased secretion of gastric bicarbonate.
c) pH of the stomach contents continuously greater than 4.
d) Increased mucus production by the neck cells.
e) Helicobacter pylori (a bacterium).
Answer:
e) Helicobacter pylori (a bacterium).
Question: The process of moving air into and out of the lungs is called
Answer Choices:
a. aspiration.
b. gas exchange.
c. olfaction.
d. ventilation.
Answer:
d
Question: Which does not contain lymphatic tissue?
Answer Choices:
A. Digestive tract
B. Thymus
C. Spleen
D. Liver
E. pharyngeal tonsil
Answer:
D. Liver
Question: What is the predominant intracellular cation?
Answer Choices:
a. Chloride
b. Sodium
c. Potassium
d. Magnesium
e. Calcium
Answer:
c. Potassium
Question: Where are receptors for most water-soluble hormones located?
Answer Choices:
A. Cytoplasm
B. Golgi apparatus of their target cells
C. Plasma membrane of their target cells
D. Nucleus of their target cells
E. endoplasmic reticulum of their target cells
Answer:
C. Plasma membrane of their target cells
Question: Which of the following hormones is secreted by the outer layer of the developing embryo and keeps the corpus luteum from degenerating?
Answer Choices:
a. Estrogen
b. Human chorionic gonadotropin (hCG)
c. Follicle-stimulating hormone (FSH)
d. Progesterone
Answer:
b
Question: What ring of cartilage forms the base of the larynx?
Answer Choices:
a) Thyroid cartilage
b) Cricoid cartilage
c) Cuneiform cartilage
d) Arytenoid cartilage
e) Epiglottis
Answer:
a) Thyroid cartilage