The minimum stimulus needed to cause muscle contraction is called the ________.
A) twitch
B) innervation
C) latent period
D) motor unit
E) threshold
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Question 2) In endochondral ossification, the precursor connective tissue is ________, which is replaced by bone.
A) fibrocartilage
B) embryonic mesenchyme
C) fibrous membranes
D) transitional epithelium
E) hyaline cartilage
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Question 3) ATP is consumed when ________ transfer solutes from one side of the membrane to the other.
A) cell-identity markers
B) channels
C) cell-adhesion molecules
D) pumps
E) receptors
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Question 4) If one inspires through their nose, which of the following answers has the correct order of structures the air would move through?
A) Nares Nasal Cavity Vestibule Nasopharynx Oropharynx Laryngopharynx Larynx Trachea Primary Bronchus Secondary Bronchus Tertiary Bronchus Bronchiole Terminal Bronchiole Respiratory Bronchiole Alveolar Duct Alveolar Sac Alveolus
B) Nares Nasal Cavity Vestibule Nasopharynx Oropharynx Laryngopharynx Larynx Trachea Primary Bronchus Secondary Bronchus Tertiary Bronchus Bronchiole Respiratory Bronchiole Terminal Bronchiole Alveolar Duct Alveolar Sac Alveolus
C) Nares Vestibule Nasal Cavity Nasopharynx Oropharynx Laryngopharynx Larynx Trachea Bronchiole Respiratory Bronchiole Terminal Bronchiole Primary Bronchus Secondary Bronchus Tertiary Bronchus Alveolar Duct Alveolar Sac Alveolus
D) Nares Vestibule Nasal Cavity Nasopharynx Oropharynx Laryngopharynx Larynx Trachea Primary Bronchus Secondary Bronchus Tertiary Bronchus Bronchiole Respiratory Bronchiole Terminal Bronchiole Alveolar Duct Alveolar Sac Alveolus
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Question 5) Which of the following compounds yields the most ATP per molecule?
A) Acetyl-CoA
B) Glucose
C) Pyruvic acid
D) Lactic acid
E) Glycogen
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Question 6) By the time the conceptus arrives in the uterus, it consists of at least ________ or more cells.
A) 2 B) 4 C) 8 D) 16 E) 32
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Question 7) If the SA node is damaged, nodal rhythm is sufficient to sustain life.
Indicate whether the statement is true or false
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Question 8) In order for muscle to continue contracting during anaerobic fermentation, which of the following is essential?
A) Acid phosphatase
B) Myokinase
C) Protease
D) Acetylcholinesterase
E) Cholinesterase inhibitors
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Question 9) Intramembranous ossification produces the ________.
A) short bones of the ankle
B) irregular bones of the vertebrae
C) flat bones of the skull
D) long bones of the limbs
E) short bones of the wrist
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Question 10) The plasma membrane is mostly made of molecules that have hydrophilic heads and hydrophobic tails. These molecules are called ________.
A) proteoglycans
B) phospholipids
C) glycolipids
D) lipoproteins
E) glycoproteins
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