Nursing School Practice Entrance Exam 2 Flashcards
Which of the following plant structures (organelles) contain DNA?
A. nucleus
B. mitochondria
C. chloroplasts
A. I only
B. I and II only
C. I and III only
D. I, II, and III
D. I, II, and III
In most flowering plants, water moves upward from the roots via which of the following structures?
A. sieve tubes
B. phloem
C. stomata
D. xylem
D. xylem
What is the process in which the genetic information contained in the DNA is transferred to messenger RNA?
A. transduction
B. transcription
C. translation
D. mitosis
B. transcription
A plant with both male and female flowers is best described as
A. monogynous.
B. dioecious.
C. monoecious.
D. dimorphic.
C. monoecious.
In mammals, which of the following are cell fragments that play a key role in blood clotting?
A. platelets
B. neutrophils
C. red blood cells
D. monocytes
A. platelets
Swelling that is due to excess fluid accumulating in interstitial spaces is known as
A. effusion.
B. erythema.
C. edema.
D. progenesis.
C. edema.
Pyruvate is converted to carbon dioxide and ethanol during which of the following processes?
A. photosynthesis
B. glycolysis
C. alcoholic fermentation
D. oxidation
C. alcoholic fermentation
Self-fertilization may also be referred to as
A. syngamy.
B. autogamy.
C. allogamy.
D. incompatibility.
B. autogamy.
The embryological process by which a fertilized ovum divides is known as
A. the G2 phase.
B. the M phase.
C. cleavage.
D. cytokinesis.
C. cleavage.
Which of the following diseases is caused by bacteria?
A. tuberculosis
B. influenza
C. leukemia
D. measles
A. tuberculosis
According to Linnaeus’s classification system, which of the following groups is the most specific (i.e., has the smallest number of organisms)?
A. phylum
B. genus
C. class
D. order
B. genus
More than 80% of all the known species of animals belong to the phylum
A. Mollusca.
B. Arthropoda.
C. Echinodermata.
D. Chordata.
B. Arthropoda.
Which of the following is the main function of the gallbladder?
A. to produce enzymes
B. to digest fats
C. to produce bile
D. to store bile
D. to store bile
Peristalsis can best be defined as
A. the release of gastric juices into the stomach during digestion.
B. a series of muscular contractions that move food along the digestive tract.
C. the active transportation of polypeptides across the membranes of the small intestine.
D. the absorption of water from undigested materials in the colon.
B. a series of muscular contractions that move food along the digestive tract.
The last and longest portion of the small intestine is called the
A. ascending colon.
B. duodenum.
C. jejunum.
D. ileum.
D. ileum.
About how much blood does the average person have in his or her body?
A. 2.5 to 3 liters
B. 4.5 to 5 liters
C. 6 to 7 liters
D. 8 to 9.5 liters
B. 4.5 to 5 liters
Blood from the lungs travels to the left atrium of the heart through the
A. aorta.
B. superior vena cava.
C. pulmonary artery.
D. pulmonary veins.
D. pulmonary veins.
Rh factors can harm a developing embryo if
A. the child is Rh negative and the mother is Rh positive.
B. the child is Rh positive and the mother is Rh negative.
C. both the mother and child are Rh negative.
D. the child is Rh negative and is the mother’s firstborn.
B. the child is Rh positive and the mother is Rh negative.
Transfusion of incorrect blood types results in
A. excess production.
B. chemical reduction of hemoglobin.
C. agglutination of erythrocytes.
D. lymphocytosis.
C. agglutination of erythrocytes.
Which of the following does NOT occur during inspiration?
A. The diaphragm contracts and flattens.
B. The ribs move up and out.
C. The size of the chest cavity increases.
D. Air pressure in the thorax increases.
D. Air pressure in the thorax increases.