Which describes the endocardium?
a: Has single layer of epithelium
b: Has layer of areolar connective tissue
c: Epithelial cells are squamous
d: Epithelial cells are cuboidal
e: Has layer of adipose connective tissue
f: Has patches of myocardium
A. a, b, c
B. a, b, d
C. a, d, e
D. a, b, c, e
E. a, e, f
A
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The lens of the eye flattens when
A. extrinsic eye muscles contract. B. intrinsic muscles of the iris contract. C. extrinsic eye muscles relax. D. ciliary muscles contract. E. ciliary muscles relax.
The internal intercostal muscles are inspiratory muscles because they lift the ribs upward and outward to enlarge the thoracic cavity
Indicate whether the statement is true or false
Which of the following structures contains the other four items listed?
A. postsynaptic membrane B. presynaptic terminal C. synaptic cleft D. neuromuscular junction E. receptors on postsynaptic membrane
In the standard leads I, II, and III used in this lab exercise, which location is used as the ground?
A. The right ankle B. The left wrist C. The left ankle D. The right wrist E. Either wrist or either ankle can be used as the ground.