BIO 243 FINAL TEST 2026 QUESTIONS
WITH CORRECT ANSWERS GRADED A+
◍ What is a basement membrane?.
Answer: A basement membrane is a thin layer of extracellular matrix that
supports epithelial cells and anchors them to underlying tissues.
◍ Insulin.
Answer: Hormone that allows glucose to enter cells — Lowers blood
glucose levels
◍ what can endospores resist.
Answer: heat, drying, chemicals and radiation
◍ Threshold stimulus.
Answer: The minimal level of stimulation required to cause a muscle fiber
to contract
◍ Digestive System.
Answer: Gastroenterology "GI" ( stomach, intestines, liver, esophagus,
gallbladder ) digest, absorb, eliminate! Irritable Bowel Syndrome (caused
by stress) !
◍ What are the main structures of the nervous system?.
Answer: Brain, spinal cord, and nerves.
◍ Sensory (Afferent) Neurons.
Answer: Carry information toward CNS - Example: touch or pain signals
◍ remnant of the epiphyseal plate, seen in adult bones.
Answer: What is the epiphyseal line?
◍ Limbic System.
Answer: A group of neurons in the brain Emotional brain Hippocampus
, - long-term memory storageMEDULLA OBLONGATA,
HYPOTHALAMUS, ANS
◍ what does the rough ER?.
Answer: protein production (ribosomes attached)
◍ forms the canal in the outer ear leading to the eardrum and the middle ear.
Answer: What is the external acoustic meatus?
◍ Medical field studying lungs.
Answer: Pulmonology
◍ Things in Urinary system.
Answer: urinary bladder, kidneys, urethra, ureter
◍ parietal bones of skull.
Answer: 2 pairs
◍ What types of muscle are found in the muscular system?.
Answer: Skeletal and smooth muscle.
◍ What are the two groups of cells in nervous tissues?.
Answer: The two groups are neurons (which transmit signals) and glial cells
(which support and protect neurons).
◍ periosteum and endosteum.
Answer: What are the membranes of long bones?
◍ Oculomotor Nerve.
Answer: Mixed = Motor and Sensory Iris - proprioception,
balanceStrabismus = lazy eye; blurred vision/Diplopia
◍ 8.
Answer: How many carpals are there in one wrist?
◍ PNS.
Answer: Peripheral Nervous System12 pairs of cranial nerves31 pairs of
spinal nerves
◍ Trigeminal Nerve.
WITH CORRECT ANSWERS GRADED A+
◍ What is a basement membrane?.
Answer: A basement membrane is a thin layer of extracellular matrix that
supports epithelial cells and anchors them to underlying tissues.
◍ Insulin.
Answer: Hormone that allows glucose to enter cells — Lowers blood
glucose levels
◍ what can endospores resist.
Answer: heat, drying, chemicals and radiation
◍ Threshold stimulus.
Answer: The minimal level of stimulation required to cause a muscle fiber
to contract
◍ Digestive System.
Answer: Gastroenterology "GI" ( stomach, intestines, liver, esophagus,
gallbladder ) digest, absorb, eliminate! Irritable Bowel Syndrome (caused
by stress) !
◍ What are the main structures of the nervous system?.
Answer: Brain, spinal cord, and nerves.
◍ Sensory (Afferent) Neurons.
Answer: Carry information toward CNS - Example: touch or pain signals
◍ remnant of the epiphyseal plate, seen in adult bones.
Answer: What is the epiphyseal line?
◍ Limbic System.
Answer: A group of neurons in the brain Emotional brain Hippocampus
, - long-term memory storageMEDULLA OBLONGATA,
HYPOTHALAMUS, ANS
◍ what does the rough ER?.
Answer: protein production (ribosomes attached)
◍ forms the canal in the outer ear leading to the eardrum and the middle ear.
Answer: What is the external acoustic meatus?
◍ Medical field studying lungs.
Answer: Pulmonology
◍ Things in Urinary system.
Answer: urinary bladder, kidneys, urethra, ureter
◍ parietal bones of skull.
Answer: 2 pairs
◍ What types of muscle are found in the muscular system?.
Answer: Skeletal and smooth muscle.
◍ What are the two groups of cells in nervous tissues?.
Answer: The two groups are neurons (which transmit signals) and glial cells
(which support and protect neurons).
◍ periosteum and endosteum.
Answer: What are the membranes of long bones?
◍ Oculomotor Nerve.
Answer: Mixed = Motor and Sensory Iris - proprioception,
balanceStrabismus = lazy eye; blurred vision/Diplopia
◍ 8.
Answer: How many carpals are there in one wrist?
◍ PNS.
Answer: Peripheral Nervous System12 pairs of cranial nerves31 pairs of
spinal nerves
◍ Trigeminal Nerve.
