At what stage of mitosis do chromosomes become visible in the nucleus?
A) prophase
B) anaphase
C) metaphase
D) telophase
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Question 2) What is the proper sequence of events that occurs in the ear when sound waves hit the tympanic membrane?
A) None of the listed responses is correct.
B) displacement of auditory ossicles, displacement of the basilar membrane, occurrence of pressure waves in the perilymph, vibration of hair cells against the tectorial membrane, stimulation of cranial nerve VIII
C) displacement of the auditory ossicles, occurrence of pressure waves in the perilymph, displacement of the basilar membrane, stimulation of the cranial nerve VIII, vibration of hair cells against the tectorial membrane
D) displacement of auditory ossicles, occurrence of pressure waves in the perilymph, distortion of the basilar membrane, vibration of hair cells against the tectorial membrane, stimulation of cranial nerve VIII
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Question 3) Which phase of the cell cycle is a time for protein synthesis, growth, and replication of organelles, including the centriole pair?
A) S phase
B) G0 phase
C) G1 phase
D) G2 phase
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Question 4) Which bone is attached to the tympanic membrane?
A) cochlea
B) incus
C) stapes
D) malleus
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Question 5) The liquid that is inside the cell is called the ________.
A) cytoskeleton
B) cytoplasm
C) cytosol
D) nucleolus
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Question 6) List the blood vessels that a drop of blood will pass through as it leaves the head and travels towards the heart: 1. External jugular vein 2. Precava 3. Subclavian vein 4. Brachiocephalic vein
A) 1, 3, 4, 2
B) 1, 2, 3, 4
C) 1, 4, 2, 3
D) 1, 4, 3, 2
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Question 7) The amplitude of sounds waves determines the ________.
A) None of the listed responses is correct.
B) pitch
C) location of sound
D) loudness
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Question 8) Which organelle controls the activities of the cell, such as protein synthesis, gene action, cell division, and metabolic rate?
A) nucleus
B) mitochondria
C) rough endoplasmic reticulum
D) lysosomes
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Question 9) In humans, the postcava is called the ________.
A) inferior vena cava
B) superior vena cava
C) pulmonary vein
D) jugular vein
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Question 10) The eye movement called ________ is a tracking mechanism that occurs when a person is reading.
A) None of the listed responses is correct.
B) nystagmus
C) vertigo
D) saccades
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