Questions & Answers
Browse all 18 questions from the
Forensic Biology and Human Physiology study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which specific bone in the human body is most commonly used to estimate biological sex in forensic anthropology due to its sexual dimorphism?
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A
The humerus
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B
The pelvis
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C
The femur
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D
The radius
2
What is the average rate of decomposition for a body left in an open, temperate environment compared to one buried in soil, in terms of 'Casper's Law'?
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A
Twice as fast
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B
Half as fast
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C
Eight times as fast
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D
The same rate
3
In forensic toxicology, which organ is the primary site of ethanol metabolism and is frequently sampled to determine chronic alcohol consumption through fatty acid ethyl esters?
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A
Kidney
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B
Liver
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C
Spleen
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D
Pancreas
4
What is the term for the pinkish discoloration of tissues occurring after death due to carbon monoxide poisoning, caused by the formation of carboxyhemoglobin?
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A
Lividity
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B
Cyanosis
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C
Cherry-red livor
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D
Petechiae
5
During a forensic autopsy, which specific protein degradation marker is used to estimate the post-mortem interval by measuring the breakdown of muscle fibers?
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A
Troponin I
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B
Myoglobin
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C
Actin
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D
Collagen
6
In the context of bite mark analysis, which layer of human skin is most significant for preserving the permanent indentation pattern due to its dense connective tissue?
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A
Epidermis
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B
Hypodermis
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C
Dermis
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D
Stratum corneum
7
What physiological process occurs when muscle fibers become rigid due to the depletion of adenosine triphosphate (ATP) following death?
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A
Algor mortis
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B
Rigor mortis
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C
Livor mortis
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D
Putrefaction
8
Which specialized forensic technique utilizes the degradation of tooth enamel and dentin to estimate the age of an adult decedent?
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A
Gustafson's method
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B
Lamendin's method
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C
Schour-Massler method
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D
Haversian remodeling
9
When identifying remains via DNA, which type of human tissue provides the most stable source of genomic material in highly decomposed bodies?
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A
Liver
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B
Blood
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C
Cortical bone
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D
Adipose tissue
10
In the study of forensic taphonomy, what is the 'adipocere' process that preserves soft tissue in wet, anaerobic conditions?
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A
Saponification of body fats
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B
Calcification of skin
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C
Dehydration of muscles
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D
Oxidation of hair
11
Which cranial suture is typically the last to fuse in the human skull, making it a critical indicator for age-at-death estimation in skeletal analysis?
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A
Sagittal suture
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B
Lambdoid suture
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C
Spheno-occipital synchondrosis
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D
Coronal suture
12
What does the presence of 'Diatoms' in the bone marrow of a victim's femur indicate during a drowning investigation?
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A
Death occurred before immersion
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B
Inhalation of water while alive
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C
Post-mortem contamination
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D
Presence of a secondary injury
13
Which part of the human eye is most useful for estimating the post-mortem interval due to its predictable concentration of potassium?
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A
Cornea
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B
Vitreous humor
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C
Retina
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D
Lens
14
In forensic pathology, what is the term for the rupture of small blood vessels in the conjunctiva, often indicative of asphyxiation?
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A
Petechial hemorrhages
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B
Ecchymosis
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C
Purpura
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D
Hematoma
15
Which specific human hair structure contains the mitochondrial DNA necessary for forensic testing when the root is missing?
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A
Cuticle
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B
Cortex
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C
Medulla
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D
Shaft
16
What is the primary function of the 'Hyoid bone' in forensic investigations of manual strangulation?
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A
It indicates age
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B
It serves as a site for muscle attachment
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C
Its fracture indicates pressure to the throat
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D
It aids in sex determination
17
Which physiological state is characterized by the cooling of the body post-mortem at a relatively constant rate, known as the 'Glaister Equation'?
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A
Algor mortis
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B
Livor mortis
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C
Rigor mortis
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D
Autolysis
18
In forensic odontology, which characteristic of human teeth is utilized to create an individual 'dental fingerprint'?
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A
Enamel thickness
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B
Root curvature
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C
Restoration patterns
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D
Pulp cavity size
