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Biology Expert Q&A

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HF

Hamad Fakhro

Jul 31, 2024

Which of the following is NOT true of skeletal muscle?

A) Skeletal muscle is the only type of muscle tissue that is voluntary.
B) Skeletal muscle is the only type of muscle tissue that is multinucleated.
C) Skeletal muscle is responsible for posture, breathing, and heat production.
D) All skeletal muscles are attached directly to the bones of the skeleton by means of tendons.
E) All of these are true of skeletal muscle.

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CR

Charity Rutter

Jul 31, 2024

The nucleolus and nuclear envelope, which disperse during ________, are reassembled during ________.

A) prophase; metaphase
B) anaphase; telophase
C) prophase; telophase
D) interphase; anaphase
E) prophase; interphase

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CS

Crystal Scheer

Jul 31, 2024

The type of connective tissue fiber that stretches is reticular fibers.

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AH

andrea hernandez

Jul 31, 2024

Branched muscle fibers and intercalated discs are characteristic of ________ muscle tissue.

A) smooth
B) voluntary
C) cardiac
D) multinucleated
E) skeletal

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SS

Sarah Smith

Jul 31, 2024

Spindle-shaped cells are characteristic of ________ tissue.

A) nervous
B) smooth muscle
C) cardiac muscle
D) striated muscle
E) skeletal muscle

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MP

Millionaire Patel

Jul 31, 2024

What is the function of goblet cells, which are sometimes found interspersed throughout pseudostratified and simple columnar epithelium?

A) To produce new epithelial cells to replace worn out cells
B) To produce and secrete mucus
C) To provide oxygen to the nearby epithelial cells
D) To absorb nutrients for the epithelial cells
E) To engulf and destroy invading microorganisms

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EP

Ellen Peters

Jul 31, 2024

Which of the following is NOT true of the stratum corneum?

A) It is only present in thick skin.
B) The cells of the stratum corneum are dead.
C) It consists of several layers of keratinized cells.
D) It is the outermost layer of the epidermis.
E) All of these are true of the stratum corneum.

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AR

Ashley Ridore

Jul 31, 2024

Which of the passive transport processes requires hydrostatic pressure to transport molecules across membranes in the body?

A) Osmosis
B) Filtration
C) Facilitated diffusion
D) Pinocytosis
E) Diffusion

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RW

Rachel Wiechelman

Jul 31, 2024

Meiosis is a type of cell division unique to gametes, that serves to produce haploid sperm and egg cells.

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CS

Connor Saunders

Jul 31, 2024

What is the working distance on a microscope?

A) The distance between your eye and the ocular lens
B) The distance between the condenser and the slide
C) The distance between the specimen and the slide
D) The distance between the objective lens and the slide
E) The distance between the ocular lens and the objective lens

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GM

Gabriel Miranda

Jul 31, 2024

In the carrot experiment to demonstrate osmosis, we would expect the string around the carrot placed in salt water to be tighter than the one placed in tap water, because both the salt and the water diffuse into the carrot.

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CL

Casey Labrada

Jul 31, 2024

Which cell type produces heparin and histamine to promote inflammation in the connective tissues when necessary?

A) Fibroblasts
B) Chondroblasts
C) Osteoblasts
D) Mast cells
E) Erythrocytes

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AD

Amber Daniel

Jul 31, 2024

Which of the following is NOT true of merocrine sweat glands?

A) They are also called eccrine sweat glands.
B) Their ducts open into hair follicles.
C) They cool the body through evaporation in response to stress and exercise.
D) They excrete water, salt, and nitrogen wastes from the body.
E) All of these are true of merocrine sweat glands.

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SK

Samer Khatib

Jul 31, 2024

From your observations of skin slides, it can be seen that the epidermis is a much thicker layer than the dermis.

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TS

Ticiana Santos

Jul 31, 2024

Which type of cell secretes the fibers and ground substance of connective tissue?

A) Fibroblasts
B) Platelets
C) Adipocytes
D) Mast cells
E) Leukocytes

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AG

Ashley Grimes

Jul 31, 2024

Which of the following parts of the microscope concentrates the light onto the microscopic slide?

A) Iris diaphragm lever
B) Substage illuminator
C) Fine adjustment knob
D) Condenser
E) Objective lens

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NQ

Nizam Qutubuddin

Jul 31, 2024

A group of cells that are alike in function and appearance is called a tissue.

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EE

Elizabeth Enriquez

Jul 31, 2024

Which type of epithelial tissue provides protection against respiratory infections, due to the presence of mucus and cilia?

A) Simple squamous
B) Pseudostratified columnar
C) Stratified columnar
D) Simple cuboidal
E) Stratified squamous

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VP

Vivian Perez

Jul 31, 2024

The liver is located in the thoracic cavity.

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MS

Miles Stewart

Jul 31, 2024

Which of the following structures separates the thoracic cavity from the abdominopelvic cavity?

A) Diaphragm
B) Stomach
C) Spleen
D) Liver
E) Pleura

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