2026 QUESTIONS WITH ANSWERS GRADED
A+
• The tissue through which gases are exchanged between the blood and the air
in the lungs is.
Answer: simple squamous epithelium
• Body heat is lost primarily by.
Answer: radiation
• frontalis.
Answer: raises eyebrows
• Bone cells form concentric circles around longitudinal tubes called.
Answer: central canals
• A body has been sectioned in such a way that there is one whole lung per
section and the urinary bladder has been split in half. What type of section is
this?.
Answer: sagittal
• Which type of tissue lines the follicles of the thyroid glands?.
Answer: simple cuboidal epithelium
• occipitalis.
Answer: pulls scalp posteriorly
• The anaerobic reactions of cellular respiration take place in the.
Answer: cytoplasm
• Orbicularis oculi.
Answer: closes eyes
• Which action is the main function of the digestive system?.
Answer: absorption of nutrients
,• Zygomaticus major.
Answer: smiles
• A cell is surrounded by an extremely thin, flexible membrane. Why is the
membrane selectively permeable?.
Answer: It allows some substances to pass through and excludes others
based on size, polarity, and other factors.
• Orbicularis oris.
Answer: closes mouth
• What type of tissue is adipose tissue?.
Answer: connective tissue
• The human integumentary system includes.
Answer: skin, nails, hair follicles, and sweat glands
• Buccinator.
Answer: pulls corners of mouth posteriorly
• Masseter.
Answer: closes mandible
• Temporalis.
Answer: closes mandible
• DNA and RNA differ in that.
Answer: DNA holds genetic information and RNA uses that information to
synthesize protein.
• Maintaining a stable internal environment typically requires.
Answer: negative feedback mechanism
• Transcription and translation differ in that.
Answer: transcription produces RNA and translation produces protein.
• Sternocleidomastoid.
Answer: rotates head
,• Endoplasmic reticulum is best described as a.
Answer: network of interconnected membranes
• Pectoralis major.
Answer: adducts or flexes arm
• The major blood vessels that supply the skin are in the.
Answer: dermis
• Matter is composed of elements, which are composed of __________..
Answer: atoms
• Serratus anterior.
Answer: abducts scapula
• For which of the following organelles are the structure and function
correctly described?.
Answer: Endoplasmic reticulum—a network of interconnected membranes
forming sacs and canals that packages protein molecules for secretion
• Deltoid.
Answer: abducts arm
• Which of the following are cellular fragments?.
Answer: blood platelets
• Pectoralis minor.
Answer: depresses scapula
• Homeostasis exists if concentrations of water, nutrients, and oxygen in the
body are balanced and heat and pressure __________..
Answer: remain within certain limited ranges
• An isotonic solution.
Answer: has the same osmotic pressure as the cells in the solution
• Diaphragm.
Answer: inspiration
• Which of the following characteristics of life and their descriptions is
, correct?.
Answer: Circulation—the movement of substances in body fluids
• Which of the following characteristics is used to name tissue types?.
Answer: organization of cells
• Rectus abdominis.
Answer: flexion of the lumbar spine
• The isotope most likely to be used to study the thyroid gland is.
Answer: iodine-131
• External oblique.
Answer: rotates trunk
• The type of epithelium that lines the urinary bladder and many of the urinary
passageways is.
Answer: transitional
• Internal oblique.
Answer: rotates trunk
• Transversus abdominis.
Answer: compresses abdominal contents
• ATP is important to cellular processes because it.
Answer: provides energy for cellular work when the terminal, high-energy
bond is broken.
• Trapezius.
Answer: abducts head
• Teres minor.
Answer: extends and rotates arm
• In phagocytosis.
Answer: a cell membrane engulfs solid particles.
• Biceps brachii.
Answer: flexes forearm