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CHAMBERLAIN UNIVERSITY BIOS 252 COMPREHENSIVEEXAM, Exams of Biology

Chamberlain College of NursingBiology

CHAMBERLAIN UNIVERSITY BIOS 252 COMPREHENSIVEEXAM

Typology: Exams

2025/2026

Available from 07/02/2026

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CHAMBERLAIN UNIVERSITY BIOS 252
COMPREHENSIVE EXAM 2026
When compared to a classic lever system, the synovial joints of
our Musculoskeletal system play the role of the _________? -
ANSWER-Fulcrum
Which of the following event will occur when depolarizing
graded potential's reach the membrane of the axon Hillock,
causing its membrane potential to reach threshold? - ANSWER-
Voltage-gated Na+ channels open rapidly
The attachment of the muscles tendon to the stationary bone is
called the _________? ; The attachment of the muscles other
tendon to the movable bone is called the__________? -
ANSWER-Origin ; Insertion
Which of the following fascicular arrangements would best be
described as fascicles arranged on only one side of the tendon?
- ANSWER-Unipennate
Which type of synapse involves the secretion of a
neurotransmitter across the synapse to stimulate the post-
synaptic cell? - ANSWER-Chemical
Your friend nods 'yes' to you, going through flexion, extension,
and hyper extension in their enthusiastic response. This
movement at the fulcrum represents a - ANSWER-First-class
lever system
The sarcoplasmic reticulum stores - ANSWER-Calcium ions
Which of the following is NOT a function of smooth muscle
tissue? - ANSWER-Blinking the eyelid
pf3
pf4
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CHAMBERLAIN UNIVERSITY BIOS 252

COMPREHENSIVE EXAM 2026

When compared to a classic lever system, the synovial joints of our Musculoskeletal system play the role of the _________? - ANSWER-Fulcrum Which of the following event will occur when depolarizing graded potential's reach the membrane of the axon Hillock, causing its membrane potential to reach threshold? - ANSWER- Voltage-gated Na+ channels open rapidly The attachment of the muscles tendon to the stationary bone is called the _________? ; The attachment of the muscles other tendon to the movable bone is called the__________? - ANSWER-Origin ; Insertion Which of the following fascicular arrangements would best be described as fascicles arranged on only one side of the tendon?

  • ANSWER-Unipennate Which type of synapse involves the secretion of a neurotransmitter across the synapse to stimulate the post- synaptic cell? - ANSWER-Chemical Your friend nods 'yes' to you, going through flexion, extension, and hyper extension in their enthusiastic response. This movement at the fulcrum represents a - ANSWER-First-class lever system The sarcoplasmic reticulum stores - ANSWER-Calcium ions Which of the following is NOT a function of smooth muscle tissue? - ANSWER-Blinking the eyelid

In an isometric contraction, the ,uncle develops tension but does not? - ANSWER-Shorten _________ is the summation of postsynaptic potentials in response to stimuli that occur at different locations in the membrane of a postsynaptic cell at the same time - ANSWER- Spatial summation Which of the following molecules energizes the myosin club- head so that it can pull the actin molecule? - ANSWER-ATP Which of the following muscles is the major agonist for plantar- flexion of the foot - ANSWER-Gastrocnemius Which muscle is responsible for movement of the eye medically (adduction)? - ANSWER-Medial rectus EPSPs (excitatory postsynaptic potentials) occur when - ANSWER-Sodium channels are opened and sodium enters the cell In skeletal muscle cells, the transverse tubule is an extension of the - ANSWER-Sarcolemma An inhibitory neurotransmitter ________ the postsynaptic membrane - ANSWER-hyperpolarizes _______ cells function as immune/phagocytic cells within the central nervous system - ANSWER-Microglial The myelin sheaths that surround the axons of some of the neurons in the centra nervous system are formed by - ANSWER-Oligodendrocytes

Which type of chemical reaction is best described as assembling smaller molecules into larger ones? - ANSWER- Exchange reaction In the following chemical reaction, which represents the products? AB + CD —> AD + CB - ANSWER-AD + CB A molecule that freely disassociates with water resulting in a low pH solution, best describes a ____ molecule - ANSWER-Acid Most homeostatic regulatory mechanisms involve ______, a way of counteracting a change - ANSWER-Negative feedback Which of the following cellular organelle can best be described as fairly long, slender extensions of the plasma membrane that help to move fluids or secretions across the cell surface - ANSWER-Cilia Which of the following organelles is considered the "Powerhouse of the cell" for the ability to generate ATP within that organelle? - ANSWER-Mitochondria Which of the following is NOT a general function of the plasma membrane of a human cell? - ANSWER-Physical isolation How many chromosome pairs do the nuclei of human somatic cells contain? - ANSWER- Which of the following has the steps of mitosis in the correct order? - ANSWER-Prophase, metaphase anaphase, telophase Which of the following is NOT one of the four tissue types? - ANSWER-Hepatic

Which layer of epithelial cells can best be described as a single layer of epithelial cells that are taller than they are wide and appear to be multiple layers but in actuality is only a single layer? - ANSWER-Pseudostratified columnar ____ cells are found in the urinary bladder, renal pelvis, and ureters? - ANSWER-Transitional epithelial Put the following layers of the epidermis int he correct order starting with the deepest layer; A) Stratum granulosum, B) stratum corneum, C) stratum basale, D) stratum spinosum, E) stratum lucidum (only in thick skin) - ANSWER-C, D, A, E, B Which of the following glands is responsible for secreting oil onto the surface of the skin? - ANSWER-Sebaceous glands Which layer of the epidermis can be described as consisting of a single row of cuboidal or columnar keratinocytes that are highly mitotic? - ANSWER-Stratum basale Which of the following is not a structural characteristic of long bones? - ANSWER-Epicondyle The storage and release of calcium and phosphorus is an example of which of the six main functions of the skeletal system - ANSWER-Mineral homeostasis Which of the following bone cells can best be described as bone-building cells - ANSWER-Osteoblasts Which of the following functional classification of joints is best described as an immovable joint - ANSWER-Synarthrosis The glenohumeral joint of the shoulder is an example of what kind of joint - ANSWER-Synovial